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Unipolar Linear Hall-Effect Sensor ICs with Analog Output
ALS31000, A31004
The ALS31000/A31004 linear Hall-effect sensors provide accurate and stable analog output for a variety of applications. These unidirectional devices offer a miniature package, temperature stability, and diagnostic capabilities.
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QVO temperature coefficient programmed at Allegro™ for improved accuracy
Miniature package options
High-bandwidth, low-noise analog output
High-speed chopping scheme minimizes QVO drift across operating temperature range
Temperature-stable quiescent voltage output and sensitivity
Precise recoverability after temperature cycling
Output voltage clamps provide short-circuit diagnostic capabilities
Undervoltage lockout (UVLO)
Wide ambient temperature range: –40°C to 150°C
Immune to mechanical stress
Enhanced EMC performance for stringent automotive applications
The ALS31000 and A31004 sensor ICs are offered in the LH package style: a 3-Pin SOT-23W style, miniature, low-profile package for surface-mount applications. The package is lead (Pb) free, with 100% matte tin leadframe plating.